package com.myth.springcloud.controller;

import com.myth.springcloud.pojo.Dept;
import com.myth.springcloud.service.DeptService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;

// 提供服务
@RequestMapping("/dept")
@RestController
public class DeptController {

    @Resource
    private DeptService deptService;

    // 获取一些配置的信息，得到具体的微服务！
    @Resource
    private DiscoveryClient client;

    @PostMapping("/add")
    public boolean addDept(@RequestBody Dept dept){
        return deptService.addDept(dept);
    }

    @GetMapping("/get/{id}")
    public Dept getDept(@PathVariable("id") Long id){
        return deptService.queryById(id);
    }

    @GetMapping("/list")
    public List<Dept> allDept(){
        return deptService.queryAll();
    }

    // 注册进来的微服务~，获取一些消息~
    @GetMapping("/discovery")
    public Object discovery(){
        // 获取微服务列表的清单
        List<String> services = client.getServices();
        System.out.println("discovery=>services:"+services);

        // 得到一个具体的微服务信息,通过具体的微服务id,applicationName
        List<ServiceInstance> instances = client.getInstances("unknown");
        for (ServiceInstance instance : instances) {
            System.out.println(
                    instance.getHost()+"\t" +
                    instance.getPort()+"\t"+
                    instance.getUri()+"\t" +
                    instance.getServiceId()
            );
        }
        return this.client;
    }


}
